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Contents
# frozen_string_literal: true
module Vedeu
module Coercers
# Converts a given value into a {Vedeu::Colours::Colour} if
# possible.
#
# @api private
#
class Colour < Vedeu::Coercers::Coercer
# @macro raise_fatal
# @return [Vedeu::Colours::Colour]
def coerce
if coerced?
value
elsif absent?(value)
klass.new
elsif background?
klass.new(background: value)
elsif foreground?
klass.new(foreground: value)
elsif hash?(value)
klass.new(colour_attributes)
else
incoercible!
end
end
private
# @return [Hash]
def colour_attributes
Vedeu::Coercers::ColourAttributes.coerce(value)
end
# @return [Boolean]
def background?
value.is_a?(Vedeu::Colours::Background)
end
# @return [Boolean]
def foreground?
value.is_a?(Vedeu::Colours::Foreground)
end
# @return [Class]
def klass
Vedeu::Colours::Colour
end
end # Colour
end # Coercers
end # Vedeu
Version data entries
15 entries across 15 versions & 1 rubygems